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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 15
26.
In a stabilised soap bubble, pressure inside it compared to external pressure is
more
less
same
unpredictable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The component of acceleration resulting due to unsteady nature of flow is called __________ acceleration.
normal
local
convective
tangential
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Power required for mixing Newtonion fluids is a function of the
speed of impeller, diameter of impeller & viscosity.
density & viscosity of fluid only.
density of fluid, viscosity of fluid & impeller dia only.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Multistage compressors are used in industry, because they
reduce the cost of compressor.
reduce the size requirement,
resemble closely to isothermal compression.
are easy to control.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The hydrodynamic and thermal boundary layers will merge, when
Prandtl number is one.
Schmidt number tends to infinity.
Nusselt number tends to infinity.
Archimedes number is greater than 10000.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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